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MF_MT_FRAME_RATE attribute

05/31/2018

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Frame rate of a video media type, in frames per second.

Data type

UINT64

Remarks

The frame rate is expressed as a ratio. The upper 32 bits of the attribute value contain the numerator and the lower 32 bits contain the denominator. For example, if the frame rate is 30 frames per second (fps), the ratio is 30/1. If the frame rate is 29.97 fps, the ratio is 30,000/1001.